Linaro GCC

Better 64 bit multiply and divide

Registered by Michael Hope on 2012-02-01

This blueprint has been superseded. See the newer blueprint "Backport 64 bit multiply, divide, and mod improvements" for updated plans.

Richard Henderson proposed a patch to improve umul_ppm and count_trailing_zeros at:
http://gcc.gnu.org/ml/gcc-patches/2012-01/msg01691.html

Investigate, backport, and notify as appropriate.

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